Answer to Question #264397 in Engineering for naz

Question

A 200V DC shunt motor drives a constant-torque load at a speed of 1800rpm. The

armature & field resistance is 2Ω and 120Ω respectively. The motor draws a line current

of 10A. Assume that a resistance is added in the field circuit to reduce the field current by

20%. Calculate armature current, motor speed and value of the added resistance and

extra field losses.

Answer 1

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